+Quartodecimanism refers to the practice among some early Christians of celebrating Easter on the 14th day of Nisan, the date of the Jewish [Passover](/wiki/passover), regardless of the day of the week. This ancient custom, prominent in [Early Christianity](/wiki/early_christianity), led to significant debate regarding the proper date for the Paschal feast.
+## See also
+- [Paschal Controversy](/wiki/paschal_controversy)
+- [Easter Date](/wiki/easter_date)
+- [Early Church](/wiki/early_church)
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